Add emp grenade (#14393)

Resources/Prototypes/Catalog/uplink_catalog.yml

@@ -142,6 +142,16 @@
   categories:
   - UplinkExplosives
 
+- type: listing
+  id: UplinkEmpGrenade
+  name: uplink-emp-grenade-name
+  description: uplink-emp-grenade-desc
+  productEntity: EmpGrenade
+  cost:
+    Telecrystal: 4
+  categories:
+  - UplinkExplosives
+
 # Ammo
 
 - type: listing

Resources/Prototypes/Entities/Effects/emp_effects.yml

@@ -0,0 +1,44 @@
+- type: entity
+  id: EffectEmpPulse
+  noSpawn: true
+  components:
+  - type: TimedDespawn
+    lifetime: 0.8
+  - type: Sprite
+    netsync: false
+    drawdepth: Effects
+    noRot: true
+    layers:
+      - shader: unshaded
+        map: ["enum.EffectLayers.Unshaded"]
+        sprite: Effects/emp.rsi
+        state: emp_pulse
+  - type: EffectVisuals
+  - type: Tag
+    tags:
+      - HideContextMenu
+  - type: EmitSoundOnSpawn
+    sound: 
+      path: /Audio/Effects/Lightning/lightningbolt.ogg
+  - type: AnimationPlayer
+
+- type: entity
+  id: EffectEmpDisabled
+  noSpawn: true
+  components:
+  - type: TimedDespawn
+    lifetime: 0.4
+  - type: Sprite
+    netsync: false
+    drawdepth: Effects
+    noRot: true
+    layers:
+      - shader: unshaded
+        map: ["enum.EffectLayers.Unshaded"]
+        sprite: Effects/emp.rsi
+        state: emp_disable
+  - type: EffectVisuals
+  - type: Tag
+    tags:
+      - HideContextMenu
+  - type: AnimationPlayer

Resources/Prototypes/Entities/Objects/Weapons/Throwable/grenades.yml

@@ -154,3 +154,21 @@
         enum.Trigger.TriggerVisualState.Unprimed: complete
   - type: StaticPrice
     price: 25
+
+- type: entity
+  name: emp grenade
+  description: Releases electromagnetic pulses that disrupt or damage many electronic devices or drain power cells.
+  parent: GrenadeBase
+  id: EmpGrenade
+  components:
+  - type: Sprite
+    sprite: Objects/Weapons/Grenades/empgrenade.rsi
+  - type: EmpOnTrigger
+    range: 4
+    energyConsumption: 50000
+  - type: DeleteOnTrigger
+  - type: Appearance
+    visuals:
+    - type: TimerTriggerVisualizer
+      countdown_sound:
+        path: /Audio/Effects/countdown.ogg